Subtract 42/50 from 24/45
24/45 - 42/50 is -23/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
24/45 = 24 × 10/45 × 10 = 240/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
42/50 = 42 × 9/50 × 9 = 378/450 - Subtract the two like fractions:
240/450 - 378/450 = 240 - 378/450 = -138/450 - After reducing the fraction, the answer is -23/75
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